code: def codes_within_radius(self, code, radius, country, unit):
      url = f"{self.base_endpoint}/radius"
      params = (
          ("code", code),
          ("radius", radius),
          ("country", country),
          ("unit", unit),
      )
      return self.make_request(url, params)
  
file_path: mindsdb/mindsdb/integrations/handlers/zipcodebase_handler/zipcodebase.py
imports: import requests
label_desc: Use image node_id 4 for calling the ZipCodeBaseClient obj's underlying member method code with example usage: obj.codes_within_radius(code, radius, country, unit) and returns: self